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Finding the Fourth Proportional to 416,030.74, 574,125.23 and 254,886.10

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Solution

The fourth proportional to 416,030.74, 574,125.23 and 254,886.10 is: 351,744.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,030.74 : 574,125.23 = 254,886.10 : x
  2. Step 2: Convert to fraction form
    416,030.74/574,125.23 = 254,886.10/x
  3. Step 3: Cross multiply
    416,030.74x = 574,125.23 × 254,886.10
  4. Step 4: Simplify right side
    416,030.74x = 146,336,539,988.21
  5. Step 5: Solve for x
    x = 146,336,539,988.21/416,030.74
  6. Step 6: Final answer
    x = 351,744.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.